1112321251 has 2 divisors, whose sum is σ = 1112321252. Its totient is φ = 1112321250.

The previous prime is 1112321233. The next prime is 1112321257. The reversal of 1112321251 is 1521232111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112321251 - 2⁵ = 1112321219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112321257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556160625 + 556160626.

It is an arithmetic number, because the mean of its divisors is an integer number (556160626).

Almost surely, 2^1112321251 is an apocalyptic number.

1112321251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112321251 is an equidigital number, since it uses as much as digits as its factorization.

1112321251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 19.

The square root of 1112321251 is about 33351.4804918762. The cubic root of 1112321251 is about 1036.1200508232.

Adding to 1112321251 its reverse (1521232111), we get a palindrome (2633553362).

The spelling of 1112321251 in words is "one billion, one hundred twelve million, three hundred twenty-one thousand, two hundred fifty-one".